Change base loader

Author: leomarquine

src/Loaders/Loader.php

@@ -6,6 +6,26 @@
 
 abstract class Loader extends Step
 {
+    /**
+     * The loader output.
+     *
+     * @var mixed
+     */
+    protected $output;
+
+    /**
+     * Set the loader output.
+     *
+     * @param  mixed  $output
+     * @return $this
+     */
+    public function output($output)
+    {
+        $this->output = $output;
+
+        return $this;
+    }
+
     /**
      * Load the given row.
      *